add gh action to push to docker hub

.github/workflows/publish_to_docker.yaml

@@ -0,0 +1,72 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Publish Docker image
+
+on:
+    release:
+        types: [published]
+    workflow_dispatch: {}
+
+# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
+env:
+    REGISTRY: docker.io
+    IMAGE_NAME: docbobo/roon-extension-denon
+
+jobs:
+    push_to_registry:
+        name: Push Docker image to Docker Hub
+        runs-on: ubuntu-latest
+
+        environment: production
+        permissions:
+            packages: write
+            contents: read
+            attestations: write
+            id-token: write
+        steps:
+            - name: Check out the repo
+              uses: actions/checkout@v4
+
+            - name: Log in to Docker Hub
+              uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+              with:
+                  username: ${{ secrets.DOCKER_USERNAME }}
+                  password: ${{ secrets.DOCKER_PASSWORD }}
+
+            - name: Set up QEMU
+              uses: docker/setup-qemu-action@v3
+
+            - name: Set up Docker Buildx
+              uses: docker/setup-buildx-action@v3
+
+            - name: Extract metadata (tags, labels) for Docker
+              id: meta
+              uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+              with:
+                  images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+            - name: Build and push Docker image
+              id: push
+              # uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+              uses: docker/build-push-action@v6
+              with:
+                  platforms: linux/amd64,linux/arm64,linux/arm
+                  context: .
+                  file: ./Dockerfile
+                  push: true
+                  tags: ${{ steps.meta.outputs.tags }}
+                  labels: ${{ steps.meta.outputs.labels }}
+
+            - name: Generate artifact attestation
+              uses: actions/attest-build-provenance@v2
+              with:
+                  subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+                  subject-digest: ${{ steps.push.outputs.digest }}
+                  push-to-registry: true